CPI Blog
CPI Switch Customization – Our Bread and Butter
While CPI makes a wide variety of so called “off the shelf” parts, it turns out that engineers are quite particular about what they want in a switch or sensor. We totally get that, we’re engineers too. And so a
For the Hottest Applications on Earth There Are CPI Thermal Switches
For engineers solving heat monitoring and safety problems at super high temperatures in an aggressive environment, there are really only a few good solutions worldwide. If you know CPI at all, then you know our thermal switches are on the
USA Made CPI Switches Help Solve Rare Earth Switch Sourcing Challenges
Navigating Rare Earth Supply Challenges: Why CPI Switches Are a Smart Alternative for Critical Applications In recent years, the global supply chain for rare earth elements has grown increasingly strained. Due to geopolitical tensions and the concentration of rare earth
Train Fire Prevention with CPI AD065
Making news back in February of 2025, was a fire that broke out on a moving Rail train near Crum Lynne Station in Ridley Park, PA. The blaze, which originated in the control box of one of the railcars, forced
Have a Ball with CPI’s J4 Series
CPI’s J4 Ball switches are used around the world for detection applications in harsh, wet, outdoor environments when field failures are not an option. Tested for electromagnetic endurance over 1 million cycles, the stainless steel J4 ball switch represents precision
Safety Switch Applications for Heavy Duty Vehicles
In saftey systems common to large construction vehicles, CPI switches have long had a role to play. In everyhing from backhoe’s and diggers, to cranes, work trucks, scissor lifts, and emergency vehicles are small hydraulic cylinders that move a variety
Waterproof Switch Customizations
For many OEM’s an off the shelf version of one of our waterproof limit switches like our E1092 Hi-Endurance Waterproof Switch is good enough. It has a stainless steel housing, is neoprene sealed for real waterproof operation, and has standard
CPI at WWeTT 2025 Show
This week, CPI’s team is visiting the Water & Wastewater Equipment, Treatment & Transport Show at Expo Hall in Indianapolis. If ever there was an industry perfect for waterproof ultra-durable limit switches, this is it. The infrastructure that services wastewater
Reliable Waterproof Limit Switches for Truck Safety Systems
Why CPI Waterproof Limit Switches Are Perfect for Safety Systems on Work Trucks and Construction Vehicles When it comes to the demanding environments of work trucks and construction vehicles, systems that protect operators and expensive hardware are of paramount importance.
Announcing CPI CTU Series – A Small, Affordable Industrial Cable Transducer
CPI Announces New Low Cost Draw Wire Position Sensing for Industrial Applications CPI announces the launch of their new Cable Extension Transducer (Draw Wire Sensor) designed to address the needs of industrial applications who need accurate position sensing between 5″